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AS1FKHM3/H
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Product Detailed Parameters
- Description：DIODE AVAL 800V 1.5A DO219AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io)：1.5A
- Voltage - Forward (Vf) (Max) @ If：1.15 V @ 1.5 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：1.3 µs
- Current - Reverse Leakage @ Vr：5 µA @ 800 V
- Capacitance @ Vr, F：8.8pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-219AB
- Supplier Device Package：DO-219AB (SMF)
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The AS1FKHM3/H is a single standard recovery rectifier from Vishay Semiconductors, rated at 800 V reverse voltage and 1.5 A forward current. It utilizes the DO-219AB-2 (SMF) surface-mount package. Key electrical parameters include a maximum forward voltage of 990 mV at 1.5 A, a peak repetitive reverse current of 140 nA, and a reverse recovery time of 1.3 µs. The device supports a maximum surge current of 30 A and operates within a junction temperature range of -55 °C to +175 °C.
Feature Summary
- Standard recovery rectifier technology for general-purpose applications
- Glass passivated chip junction for enhanced stability
- Automotive grade qualification ensuring reliability in demanding environments
Applications
- Automotive electronics systems
- General purpose rectification circuits
- High frequency power supplies
Procurement Notes
Verify the specific ordering suffix against official Vishay documentation to confirm exact packaging and tape-and-reel specifications. Ensure the component meets RoHS compliance requirements for your target market. Confirm that the DO-219AB footprint matches your PCB design constraints before finalizing procurement orders.
Selection Notes
Select this component when an 800 V rating and 1.5 A continuous current are required in a compact surface-mount form factor. Consider its 1.3 µs reverse recovery time for applications where moderate switching speeds are sufficient. Verify thermal management capabilities given the 175 °C maximum junction temperature limit.
Part Context
This part belongs to the AS1F series of Vishay's eSMP family. These devices are designed as automotive-grade rectifiers suitable for high-reliability applications. The series offers various voltage ratings while maintaining consistent package dimensions for design flexibility across different product lines.
Replacement Considerations
Consult official Vishay substitution guides for verified alternatives. Cross-reference technical parameters such as reverse voltage, forward current, and package type to ensure compatibility with existing circuit designs.
